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Computers and Technology, 20.04.2020 23:59 tugordochulo1

Which of the following is NOT an example of an advancement of service technology?
A. Electronic check-in/check-out at hotels
B. Retinal security scanners at airports
C. Automatic teller machines (ATMs) at banks
D. All of the above are examples of advancements of service technology

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Which of the following is NOT an example of an advancement of service technology?
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